<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="style.css">
</head>

<body>
  <div id="app">
    <div v-if='books.length'>
      <table>
        <thead>
          <tr>
            <th></th>
            <th>书籍名称</th>
            <th>出版日期</th>
            <th>价格</th>
            <th>购买数量</th>
            <th>操作</th>
          </tr>
        </thead>
        <tbody>
          <tr v-for='(item,index) in books' :key='index'>
            <!-- <td v-for='value in item'>{{value}}</td> -->
            <td>{{item.id}}</td>
            <td>{{item.name}}</td>
            <td>{{item.date}}</td>
            <!-- TODO 使用过滤器 -->
            <td>{{item.price|showPrice}}</td>
            <td>
              <button @click='sub(index)' :disabled='item.count <= 1'>-</button>
              {{item.count}}
              <button @click='add(index)'>+</button>
            </td>
            <td>
              <button @click='removeRow(index)'>移除</button>
            </td>
          </tr>
        </tbody>
      </table>
      <strong>总价格：{{totalPrice|showPrice}}</strong>
    </div>
    <div v-else>
      <strong>购物车为空</strong>
    </div>
  </div>
  <script src="../../../vue.js"></script>
  <script src="main.js"></script>
</body>

</html>